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specialty journal of architecture and construction
Volume 2, 2016, Issue 2
Effect of Sinusoidal Corrugated Bed on Hydraulic Jump Characteristics in Dense Flows
Seyed Reza Mousavi1, Amir Hossein Parand2, Nader Barahmand3
Pages: 1-7

Abstract

Dense flows are caused by differences in density or volume mass of two fluid. Due to density difference between this flow and the environmental fluid on it, vortexes are formed in the interface between them that caused entering of environmental fluid into flow. So dense flow characteristics of environmental flow is differ from open channel normal flows. The aim of our research is investigation the effect of corrugated bed on dense flow hydraulic jump characteristics. The fluent software was used. For this investigation six kind of corrugated bed with different wave steepness (h/B) were used. Numerical results showed that -RNG hydraulic models were more compatible with experimental results. Also hydraulic jump in dense flow observed in all of models. If the primary Froude number keep constant, the primary point of jump transferred to the upstream and the conjugate depths of hydraulic jump decrease by increasing bed wave steepness ratio.





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specialty journal of architecture and construction
Issue 4, Volume 5, 2019